i'm not sure后面跟that还是 whether?

英语语法 I’m sure(that)和I’m not sure if/whether... I'm not sure ______ it's a good idea or not.A.whether B.that I’M sure后面跟什么 I'm not sure whether he__(decide) where to go I'm not sure whether to go中的whether to go作什么语 英语翻译We can make it anyway.W:Why not?But I'm not sure whether I ___ pay Tracy a visit,but I'm not sure whether I will have I'm not sure I'm not sure ( ). I'm not sure whether I can complete the work on time.这句话对吗 英语翻译1.I’m not sure whether I can gain any profit from the in I'm not sure whether I will have anything else to do tomorro